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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
Switching frequency: 150kHz
Digital I/O Pins: 10 
The Proximity Inductive 4MM Metal Sensor LJ12A3-4-Z/BY is a proximity presence sensor module with digital output designed for obstacle detection
Product Proximity Inductive 4MM Metal Sensor LJ12A3-4-Z/BY the output signal Low Working Voltage DC 6~36V
Reliable USB-to-Serial: Uses the genuine ATmega16U2 chip for fast
DFRobot LED Keypad Shield for Arduino - DFR0382 color sensor Switching frequency: 150kHzReliable LED Parts for Indicators, Lighting, and DIY Builds The LED Keypad Shield For Arduino is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit. Whether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards,
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